CENTRIFUGAL DISK GRINDER Russian patent published in 2018 - IPC B02C13/20 

FIELD: desintegrators and crushing devices.

SUBSTANCE: invention relates to the various materials crushing devices and may be used in production of construction materials and other industries. Centrifugal disk grinder comprises cylindrical body 1 with charging 2 and discharge 3 branches, oppositely rotating upper 4 and lower 5 disks with impact elements in the form of spiral 6, which are directed in opposite directions on upper 4 and lower 5 disks. On lower 5 disc coaxially with it, storage ring 7 with an internal diameter equal to the inner diameter of loading branch 2 is rigidly fixed, and a height equal to the distance between upper 4 and lower 5 disks, taking into account the technological gap with upper 4 disc. Tangential rectangular notch is formed along the entire height of storage ring 7, the inner surface of one of the side walls of which continues the working surface of spiral 6 of lower 5 disc.

EFFECT: invention makes it possible to improve the efficiency of the grinding process.

1 cl, 4 dwg